FI912102L - FOERFARANDE FOER RENING AV 2,6-DIISOPROPYLPHENOL - Google Patents

FOERFARANDE FOER RENING AV 2,6-DIISOPROPYLPHENOL Download PDF

Info

Publication number: FI912102L
Authority: FI; Finland
Prior art keywords: diisopropylphenol; foerfarande foer; foer rening; rening; foerfarande
Prior art date: 1991-04-30

Application number

FI912102A

Other languages

Finnish (fi)

Other versions

FI912102A0 (en

Inventor

Kauko Nieminen

Peter Essen

Original Assignee

Leiras Oy

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1991-04-30

Filing date

1991-04-30

Publication date

1992-10-31

1991-04-30 Application filed by Leiras Oy filed Critical Leiras Oy

1991-04-30 Priority to FI912102A priority Critical patent/FI912102L/en

1991-04-30 Publication of FI912102A0 publication Critical patent/FI912102A0/en

1992-04-24 Priority to FI921844A priority patent/FI92317C/en

1992-04-27 Priority to DE199292850096T priority patent/DE511947T1/en

1992-04-27 Priority to ES92850096T priority patent/ES2091449T3/en

1992-04-27 Priority to EP92850096A priority patent/EP0511947B1/en

1992-04-27 Priority to SG1996005476A priority patent/SG44681A1/en

1992-04-27 Priority to DE69212065T priority patent/DE69212065T2/en

1992-04-27 Priority to AT92850096T priority patent/ATE140212T1/en

1992-04-30 Priority to US07/876,873 priority patent/US5175376A/en

1992-10-31 Publication of FI912102L publication Critical patent/FI912102L/en

1994-11-16 Priority to EE9400247A priority patent/EE03067B1/en

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Crystallography & Structural Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
Artificial Filaments (AREA)

FI912102A 1991-04-30 1991-04-30 FOERFARANDE FOER RENING AV 2,6-DIISOPROPYLPHENOL FI912102L (en)

Priority Applications (10)

Application Number	Priority Date	Filing Date	Title
FI912102A FI912102L (en)	1991-04-30	1991-04-30	FOERFARANDE FOER RENING AV 2,6-DIISOPROPYLPHENOL
FI921844A FI92317C (en)	1991-04-30	1992-04-24	Process for the purification of 2,6-diisopropylphenol
AT92850096T ATE140212T1 (en)	1991-04-30	1992-04-27	METHOD FOR PURIFYING 2,6-DIISOPROPYLPHENOL
EP92850096A EP0511947B1 (en)	1991-04-30	1992-04-27	Process for the purification of 2,6-diisopropyl phenol
ES92850096T ES2091449T3 (en)	1991-04-30	1992-04-27	PROCEDURE FOR THE PURIFICATION OF 2,6-DIISOPROPYLPHENOL.
DE199292850096T DE511947T1 (en)	1991-04-30	1992-04-27	METHOD FOR PURIFYING 2,6-DIISOPROPYLPHENOL.
SG1996005476A SG44681A1 (en)	1991-04-30	1992-04-27	Process for the purification of 2,6-diisopropyl phenol
DE69212065T DE69212065T2 (en)	1991-04-30	1992-04-27	Process for the purification of 2,6-diisopropylphenol
US07/876,873 US5175376A (en)	1991-04-30	1992-04-30	Process for the purification of 2,6-diisopropyl phenol
EE9400247A EE03067B1 (en)	1991-04-30	1994-11-16	Method for purification of 2,6-diisopropylphenol

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI912102A FI912102L (en)	1991-04-30	1991-04-30	FOERFARANDE FOER RENING AV 2,6-DIISOPROPYLPHENOL

Publications (2)

Publication Number	Publication Date
FI912102A0 FI912102A0 (en)	1991-04-30
FI912102L true FI912102L (en)	1992-10-31

Family

ID=8532425

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI912102A FI912102L (en)	1991-04-30	1991-04-30	FOERFARANDE FOER RENING AV 2,6-DIISOPROPYLPHENOL

Country Status (8)

Country	Link
US (1)	US5175376A (en)
EP (1)	EP0511947B1 (en)
AT (1)	ATE140212T1 (en)
DE (2)	DE511947T1 (en)
EE (1)	EE03067B1 (en)
ES (1)	ES2091449T3 (en)
FI (1)	FI912102L (en)
SG (1)	SG44681A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1269977B (en) *	1994-07-01	1997-04-16	Archimica Spa	PURIFICATION OF PROPOFOL
IT1270093B (en) *	1994-09-28	1997-04-28	Zambon Spa	2,6-DIISOPROPYLPHENOL PURIFICATION PROCESS
US5705039A (en) *	1995-10-13	1998-01-06	Albemarle Corporation	Process for purifying a 2,6-dialkylphenol
US5591311A (en) *	1995-10-26	1997-01-07	Albemarle Corporation	Process for purifying a 2,6-dialkylphenol
DE69904951T3 (en) †	1998-09-03	2007-09-06	Chemtura Corporation, Middlebury	PROCESS FOR CLEANING 2, 4, 6-TRI (TERT BUTYL) PHENOL BY MELTING CRYSTALLIZATION
WO2000034218A1 (en) *	1998-12-04	2000-06-15	Dong Kook Pharmaceutical Co., Ltd.	Process for purification of 2,6-diisopropyl phenol
US7862552B2 (en)	2005-05-09	2011-01-04	Boston Scientific Scimed, Inc.	Medical devices for treating urological and uterine conditions
CN101081804B (en) *	2007-06-04	2010-08-25	西安力邦制药有限公司	Refining method for propofol injection
WO2011161687A1 (en)	2010-06-23	2011-12-29	Harman Finochem Limited	Process for preparing extra pure 2, 6-diisopropyl phenol
EP2522651B1 (en)	2011-05-12	2013-11-20	Siegfried AG	Process for the purification of 2,6-diisopropyl phenol
CN105777497A (en) *	2014-12-26	2016-07-20	辽宁药联制药有限公司	Treatment method for propofol rectification front cut fraction
CN114133318B (en) *	2021-12-09	2023-08-29	广东嘉博制药有限公司	Method for reducing and removing propofol impurity O in propofol product

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2536040A (en) *	1948-03-02	1951-01-02	Shell Dev	Purification of alkyl phenols
US2831898A (en) *	1954-04-29	1958-04-22	Ethyl Corp	Phenol alkylation process
DE1145628B (en) *	1961-06-28	1963-03-21	Ruetgerswerke Ag	Process for the recovery of pure 4-methyl-2,6-di-tertiary-butylphenol
BE716974A (en) *	1967-06-27	1968-12-02
US4433181A (en) *	1980-06-12	1984-02-21	Koppers Company, Inc.	Process for recovering a crystallization medium
US4391998A (en) *	1981-10-21	1983-07-05	Mobil Oil Corporation	Production of para-isopropylphenol
JPS6212733A (en) *	1985-07-10	1987-01-21	Honsyu Kagaku Kogyo Kk	O-isopropylation of phenolic compound

1991
- 1991-04-30 FI FI912102A patent/FI912102L/en not_active Application Discontinuation
1992
- 1992-04-27 ES ES92850096T patent/ES2091449T3/en not_active Expired - Lifetime
- 1992-04-27 DE DE199292850096T patent/DE511947T1/en active Pending
- 1992-04-27 DE DE69212065T patent/DE69212065T2/en not_active Expired - Fee Related
- 1992-04-27 EP EP92850096A patent/EP0511947B1/en not_active Expired - Lifetime
- 1992-04-27 SG SG1996005476A patent/SG44681A1/en unknown
- 1992-04-27 AT AT92850096T patent/ATE140212T1/en not_active IP Right Cessation
- 1992-04-30 US US07/876,873 patent/US5175376A/en not_active Expired - Lifetime
1994
- 1994-11-16 EE EE9400247A patent/EE03067B1/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
EE03067B1 (en)	1998-02-16
DE69212065T2 (en)	1997-01-30
US5175376A (en)	1992-12-29
FI912102A0 (en)	1991-04-30
ATE140212T1 (en)	1996-07-15
DE511947T1 (en)	1993-04-08
EP0511947B1 (en)	1996-07-10
SG44681A1 (en)	1997-12-19
EP0511947A1 (en)	1992-11-04
DE69212065D1 (en)	1996-08-14
ES2091449T3 (en)	1996-11-01

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Legal Events

Date	Code	Title	Description
1993-07-28	FD	Application lapsed